Model: 257

Electrical Binding Post

Special Features:

Grip aid cap

Properties:

Overall Height
2.188 inches
Overall Diameter
0.438 inches
Maximum Height Above Mounting Surface
1.125 inches
Wire Hole Diameter
0.098 inches single end
Electrical Insulation Feature
Uninsulated caps with uninsulated studs
Mounting Method Style
Shouldered stud
Mounting Thread Diameter
0.138 inches
Major Bushing Diameter
0.125 inches
Major Bushing Length
0.125 inches
Dry Flashover Voltage Rating In Volts
1000.0
Thread Length
0.938 inches
Basic Shape Style
Single post, round (post binding)
Mounting Thread Series
Unc
Features Provided
Mounting hardware
Conductor Accommodation Type
Screw cap w/hole single end
Cap Outside Diameter
0.438 inches
Material
Copper alloy except insulation
Surface Treatment
Nickel except insulation single layer
NSN
5940-00-235-7987
Part Number
257
Description
Post,binding,electrical
CAGE
80138

A metallic postlike terminal, insulated or uninsulated, which is mounted on a board, chassis, panel, or other similar supporting surface. It is designed for frequent manual connections and disconnections of at least one electrical conductor, such as a wire, alligator clip, or spade lug. It may have additional tip jack features for the acceptance of banana plugs, phone tips, and the like. It may also have provisions for permanently attaching an electrical conductor(s). For items which require all electrical conductors to be permanently attached (soldered, crimped, and the like), see terminal, stud. See also jack, tip.

Part 257 NSN 5940-00-235-7987

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00883
FIIG:
A006B0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061680
UFC:
34570
LTL:
RATING VARIABLE
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8538907080
  • SITC: 77282
  • End Use: Electric apparatus
  • NAICS: 335314
  • USDA: 1

Freight Class: Parts suitable for use solely or principally with the apparatus for heading 8535, 8536,8537, nesoi

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